From 747654fb6dffc41fa14ed844d18b5ab1d43558ef Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Fri, 4 Nov 2011 12:44:01 +0000
Subject: [PATCH] Added removeFromObjectCache method.

---
 include/osgDB/Registry | 5 +++++
 src/osgDB/Registry.cpp | 7 +++++++
 2 files changed, 12 insertions(+)

diff --git a/include/osgDB/Registry b/include/osgDB/Registry
index 641f1e08f..b84d61954 100644
--- a/include/osgDB/Registry
+++ b/include/osgDB/Registry
@@ -438,12 +438,17 @@ class OSGDB_EXPORT Registry : public osg::Referenced
         /** Add a filename,object,timestamp triple to the Registry::ObjectCache.*/
         void addEntryToObjectCache(const std::string& filename, osg::Object* object, double timestamp = 0.0);
 
+        /** Remove Object from cache.*/
+        void removeFromObjectCache(const std::string& fileName);
+
         /** Get an Object from the object cache*/
         osg::Object* getFromObjectCache(const std::string& fileName);
         
         /** Get an ref_ptr<Object> from the object cache*/
         osg::ref_ptr<osg::Object> getRefFromObjectCache(const std::string& fileName);
 
+
+        
         /** Add archive to archive cache so that future calls reference this archive.*/
         void addToArchiveCache(const std::string& fileName, osgDB::Archive* archive);
 
diff --git a/src/osgDB/Registry.cpp b/src/osgDB/Registry.cpp
index f68adb855..b94c20396 100644
--- a/src/osgDB/Registry.cpp
+++ b/src/osgDB/Registry.cpp
@@ -1653,6 +1653,13 @@ void Registry::removeExpiredObjectsInCache(const osg::FrameStamp& frameStamp)
         
 }
 
+void Registry::removeFromObjectCache(const std::string& fileName)
+{
+    OpenThreads::ScopedLock<OpenThreads::Mutex> lock(_objectCacheMutex);
+    ObjectCache::iterator itr = _objectCache.find(fileName);
+    if (itr!=_objectCache.end()) _objectCache.erase(itr);
+}
+
 void Registry::clearObjectCache()
 {
     OpenThreads::ScopedLock<OpenThreads::Mutex> lock(_objectCacheMutex);